Brain Teasers Optical Illusions Puzzle Hunts Codes & Ciphers Mechanical Puzzles
Personal Links
Browse Teasers
Search Teasers

-2, 4, -12, 48, -240, ...

Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.

 

Puzzle ID:#277
Fun:*** (2.31)
Difficulty:** (1.89)
Category:Series
Submitted By:jerry1***

 

 

 



-2, 4, -12, 48, -240, ...
What is the next number in the above series?


Answer

1440. The first number is multiplied by a negative 2, the second by a negative 3, the third by a negative 4 and so on.
Hide




What Next?

  
  

See another brain teaser just like this one...

Or, just get a random brain teaser

If you become a registered user you can vote on this brain teaser, keep track of
which ones you have seen, and even make your own.

 



Back to Top
   


Online Now
6 users and 720 guests

Users In Chat
Aviator
Follow Braingle!
Fold 'N Fly Paper Airplanes
Easy to follow folding instructions and videos.
Copyright © 1999-2017 | FAQ | Widgets | Links | Green | Subscribe | Contact | Privacy | Conditions | Advertise | Braingle Time: 7:46 am
Sign In Create a free account